add jwt guard and another EP to return information

package.json

@@ -29,9 +29,11 @@
     "@nestjs/platform-express": "^11.0.1",
     "@nestjs/typeorm": "^11.0.0",
     "bcrypt": "^6.0.0",
+    "jsonwebtoken": "^9.0.2",
     "mysql2": "^3.15.2",
     "passport": "^0.7.0",
     "passport-google-oauth20": "^2.0.0",
+    "passport-jwt": "^4.0.1",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1",
     "typeorm": "^0.3.27"
@@ -48,6 +50,7 @@
     "@types/node": "^22.10.7",
     "@types/passport": "^1.0.17",
     "@types/passport-google-oauth20": "^2.0.16",
+    "@types/passport-jwt": "^4.0.1",
     "@types/supertest": "^6.0.2",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.1",